mirror of https://github.com/swaywm/sway.git
415 lines
10 KiB
C
415 lines
10 KiB
C
#define _XOPEN_SOURCE 500
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#include <getopt.h>
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#include <signal.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#include <wayland-client-protocol.h>
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#include <wayland-client.h>
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#include <wayland-util.h>
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#include <wlr/config.h>
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#include <wlr/util/log.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_output.h>
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#include "idle-client-protocol.h"
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#include "config.h"
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#include "list.h"
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#ifdef SWAY_IDLE_HAS_SYSTEMD
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#include <systemd/sd-bus.h>
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#include <systemd/sd-login.h>
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#elif defined(SWAY_IDLE_HAS_ELOGIND)
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#include <elogind/sd-bus.h>
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#include <elogind/sd-login.h>
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#endif
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typedef void (*timer_callback_func)(void *data);
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static struct org_kde_kwin_idle *idle_manager = NULL;
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static struct wl_seat *seat = NULL;
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bool debug = false;
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struct swayidle_state {
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struct wl_display *display;
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struct org_kde_kwin_idle_timeout *idle_timer;
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struct org_kde_kwin_idle_timeout *lock_timer;
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struct wlr_output_layout *layout;
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struct wl_event_loop *event_loop;
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list_t *timeout_cmds;
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} state;
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struct swayidle_cmd {
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timer_callback_func callback;
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char *param;
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};
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struct swayidle_cmd *lock_cmd = NULL;
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struct swayidle_timeout_cmd {
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uint32_t timeout;
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struct swayidle_cmd *idle_cmd;
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struct swayidle_cmd *resume_cmd;
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};
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static void cmd_exec(void *data) {
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if (data == NULL) {
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return;
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}
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char *param = (char *)data;
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wlr_log(L_DEBUG, "Cmd exec %s", param);
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int pid = fork();
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if (pid == 0) {
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char *const cmd[] = { "sh", "-c", param, NULL, };
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execvp(cmd[0], cmd);
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exit(1);
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}
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wlr_log(L_DEBUG, "Spawned process %d", pid);
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}
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#if defined(SWAY_IDLE_HAS_SYSTEMD) || defined(SWAY_IDLE_HAS_ELOGIND)
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static int lock_fd = -1;
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static int ongoing_fd = -1;
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static int release_lock(void *data) {
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wlr_log(L_INFO, "Releasing sleep lock %d", ongoing_fd);
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if (ongoing_fd >= 0) {
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close(ongoing_fd);
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}
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ongoing_fd = -1;
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return 0;
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}
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void acquire_sleep_lock() {
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sd_bus_message *msg = NULL;
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sd_bus_error error = SD_BUS_ERROR_NULL;
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struct sd_bus *bus;
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int ret = sd_bus_default_system(&bus);
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if (ret < 0) {
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wlr_log(L_ERROR, "Failed to open D-Bus connection: %s",
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strerror(-ret));
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return;
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}
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ret = sd_bus_call_method(bus, "org.freedesktop.login1",
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"/org/freedesktop/login1",
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"org.freedesktop.login1.Manager", "Inhibit",
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&error, &msg, "ssss", "sleep", "swayidle",
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"Setup Up Lock Screen", "delay");
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if (ret < 0) {
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wlr_log(L_ERROR, "Failed to send Inhibit signal: %s",
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strerror(-ret));
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} else {
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ret = sd_bus_message_read(msg, "h", &lock_fd);
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if (ret < 0) {
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wlr_log(L_ERROR,
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"Failed to parse D-Bus response for Inhibit: %s",
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strerror(-ret));
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}
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}
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wlr_log(L_INFO, "Got sleep lock: %d", lock_fd);
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}
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static int prepare_for_sleep(sd_bus_message *msg, void *userdata,
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sd_bus_error *ret_error) {
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bool going_down = true;
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int ret = sd_bus_message_read(msg, "b", &going_down);
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if (ret < 0) {
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wlr_log(L_ERROR, "Failed to parse D-Bus response for Inhibit: %s",
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strerror(-ret));
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}
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wlr_log(L_DEBUG, "PrepareForSleep signal received %d", going_down);
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if (!going_down) {
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acquire_sleep_lock();
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return 0;
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}
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ongoing_fd = lock_fd;
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if (lock_cmd && lock_cmd->callback) {
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lock_cmd->callback(lock_cmd->param);
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}
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if (ongoing_fd >= 0) {
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struct wl_event_source *source =
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wl_event_loop_add_timer(state.event_loop, release_lock, NULL);
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wl_event_source_timer_update(source, 1000);
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}
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wlr_log(L_DEBUG, "Prepare for sleep done");
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return 0;
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}
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static int dbus_event(int fd, uint32_t mask, void *data) {
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sd_bus *bus = data;
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while (sd_bus_process(bus, NULL) > 0) {
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// Do nothing.
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}
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return 1;
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}
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void setup_sleep_listener() {
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struct sd_bus *bus;
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int ret = sd_bus_default_system(&bus);
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if (ret < 0) {
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wlr_log(L_ERROR, "Failed to open D-Bus connection: %s",
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strerror(-ret));
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return;
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}
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char str[256];
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const char *fmt = "type='signal',"
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"sender='org.freedesktop.login1',"
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"interface='org.freedesktop.login1.%s',"
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"member='%s'," "path='%s'";
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snprintf(str, sizeof(str), fmt, "Manager", "PrepareForSleep",
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"/org/freedesktop/login1");
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ret = sd_bus_add_match(bus, NULL, str, prepare_for_sleep, NULL);
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if (ret < 0) {
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wlr_log(L_ERROR, "Failed to add D-Bus match: %s", strerror(-ret));
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return;
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}
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acquire_sleep_lock();
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wl_event_loop_add_fd(state.event_loop, sd_bus_get_fd(bus),
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WL_EVENT_READABLE, dbus_event, bus);
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}
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#endif
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static void handle_global(void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version) {
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if (strcmp(interface, org_kde_kwin_idle_interface.name) == 0) {
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idle_manager =
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wl_registry_bind(registry, name, &org_kde_kwin_idle_interface, 1);
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} else if (strcmp(interface, wl_seat_interface.name) == 0) {
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seat = wl_registry_bind(registry, name, &wl_seat_interface, 1);
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}
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}
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static void handle_global_remove(void *data, struct wl_registry *registry,
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uint32_t name) {
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}
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static const struct wl_registry_listener registry_listener = {
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.global = handle_global,
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.global_remove = handle_global_remove,
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};
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static void handle_idle(void *data, struct org_kde_kwin_idle_timeout *timer) {
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struct swayidle_timeout_cmd *cmd = data;
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wlr_log(L_DEBUG, "idle state");
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if (cmd && cmd->idle_cmd && cmd->idle_cmd->callback) {
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cmd->idle_cmd->callback(cmd->idle_cmd->param);
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}
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}
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static void handle_resume(void *data, struct org_kde_kwin_idle_timeout *timer) {
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struct swayidle_timeout_cmd *cmd = data;
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wlr_log(L_DEBUG, "active state");
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if (cmd && cmd->resume_cmd && cmd->resume_cmd->callback) {
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cmd->resume_cmd->callback(cmd->resume_cmd->param);
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}
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}
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static const struct org_kde_kwin_idle_timeout_listener idle_timer_listener = {
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.idle = handle_idle,
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.resumed = handle_resume,
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};
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struct swayidle_cmd *parse_command(int argc, char **argv) {
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if (argc < 1) {
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wlr_log(L_ERROR, "Too few parameters for command in parse_command");
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return NULL;
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}
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struct swayidle_cmd *cmd = calloc(1, sizeof(struct swayidle_cmd));
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wlr_log(L_DEBUG, "Command: %s", argv[0]);
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cmd->callback = cmd_exec;
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cmd->param = argv[0];
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return cmd;
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}
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int parse_timeout(int argc, char **argv) {
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if (argc < 3) {
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wlr_log(L_ERROR, "Too few parameters to timeout command. "
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"Usage: timeout <seconds> <command>");
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exit(-1);
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}
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errno = 0;
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char *endptr;
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int seconds = strtoul(argv[1], &endptr, 10);
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if (errno != 0 || *endptr != '\0') {
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wlr_log(L_ERROR, "Invalid timeout parameter '%s', it should be a "
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"numeric value representing seconds", optarg);
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exit(-1);
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}
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struct swayidle_timeout_cmd *cmd =
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calloc(1, sizeof(struct swayidle_timeout_cmd));
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cmd->timeout = seconds * 1000;
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wlr_log(L_DEBUG, "Register idle timeout at %d ms", cmd->timeout);
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wlr_log(L_DEBUG, "Setup idle");
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cmd->idle_cmd = parse_command(argc - 2, &argv[2]);
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int result = 3;
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if (argc >= 5 && !strcmp("resume", argv[3])) {
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wlr_log(L_DEBUG, "Setup resume");
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cmd->resume_cmd = parse_command(argc - 4, &argv[4]);
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result = 5;
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}
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list_add(state.timeout_cmds, cmd);
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return result;
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}
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int parse_sleep(int argc, char **argv) {
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if (argc < 2) {
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wlr_log(L_ERROR, "Too few parameters to before-sleep command. "
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"Usage: before-sleep <command>");
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exit(-1);
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}
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lock_cmd = parse_command(argc - 1, &argv[1]);
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if (lock_cmd) {
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wlr_log(L_DEBUG, "Setup sleep lock: %s", lock_cmd->param);
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}
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return 2;
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}
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int parse_args(int argc, char *argv[]) {
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int c;
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while ((c = getopt(argc, argv, "hs:d")) != -1) {
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switch(c) {
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case 'd':
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debug = true;
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break;
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case 'h':
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case '?':
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printf("Usage: %s [OPTIONS]\n", argv[0]);
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printf(" -d\tdebug\n");
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printf(" -h\tthis help menu\n");
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return 1;
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default:
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return 1;
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}
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}
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if (debug) {
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wlr_log_init(L_DEBUG, NULL);
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wlr_log(L_DEBUG, "Loglevel debug");
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} else {
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wlr_log_init(L_INFO, NULL);
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}
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state.timeout_cmds = create_list();
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int i = optind;
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while (i < argc) {
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if (!strcmp("timeout", argv[i])) {
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wlr_log(L_DEBUG, "Got timeout");
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i += parse_timeout(argc - i, &argv[i]);
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} else if (!strcmp("before-sleep", argv[i])) {
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wlr_log(L_DEBUG, "Got before-sleep");
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i += parse_sleep(argc - i, &argv[i]);
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} else {
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wlr_log(L_ERROR, "Unsupported command '%s'", argv[i]);
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exit(-1);
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}
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}
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return 0;
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}
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void sway_terminate(int exit_code) {
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if (state.event_loop) {
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wl_event_loop_destroy(state.event_loop);
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}
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if (state.display) {
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wl_display_disconnect(state.display);
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}
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exit(exit_code);
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}
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void sig_handler(int signal) {
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sway_terminate(0);
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}
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static int display_event(int fd, uint32_t mask, void *data) {
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wl_display_dispatch(state.display);
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return 0;
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}
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void register_idle_timeout(void *item) {
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struct swayidle_timeout_cmd *cmd = item;
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if (cmd == NULL || !cmd->timeout) {
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wlr_log(L_ERROR, "Invalid idle cmd, will not register");
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return;
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}
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state.idle_timer =
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org_kde_kwin_idle_get_idle_timeout(idle_manager, seat, cmd->timeout);
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if (state.idle_timer != NULL) {
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org_kde_kwin_idle_timeout_add_listener(state.idle_timer,
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&idle_timer_listener, cmd);
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} else {
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wlr_log(L_ERROR, "Could not create idle timer");
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}
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}
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int main(int argc, char *argv[]) {
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signal(SIGINT, sig_handler);
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signal(SIGTERM, sig_handler);
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if (parse_args(argc, argv) != 0) {
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return -1;
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}
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state.display = wl_display_connect(NULL);
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if (state.display == NULL) {
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wlr_log(L_ERROR, "Failed to create display");
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return -3;
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}
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struct wl_registry *registry = wl_display_get_registry(state.display);
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wl_registry_add_listener(registry, ®istry_listener, NULL);
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wl_display_roundtrip(state.display);
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state.layout = wlr_output_layout_create();
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state.event_loop = wl_event_loop_create();
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if (idle_manager == NULL) {
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wlr_log(L_ERROR, "Display doesn't support idle protocol");
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return -4;
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}
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if (seat == NULL) {
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wlr_log(L_ERROR, "Seat error");
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return -5;
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}
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bool should_run = state.timeout_cmds->length > 0;
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#if defined(SWAY_IDLE_HAS_SYSTEMD) || defined(SWAY_IDLE_HAS_ELOGIND)
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if (lock_cmd) {
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should_run = true;
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setup_sleep_listener();
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}
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#endif
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if (!should_run) {
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wlr_log(L_INFO, "No command specified! Nothing to do, will exit");
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sway_terminate(0);
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}
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list_foreach(state.timeout_cmds, register_idle_timeout);
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wl_display_roundtrip(state.display);
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wl_event_loop_add_fd(state.event_loop, wl_display_get_fd(state.display),
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WL_EVENT_READABLE, display_event, NULL);
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while (wl_event_loop_dispatch(state.event_loop, 0) != -1) {
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; //Intentionally left blank;
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}
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sway_terminate(0);
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}
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